MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, many of which point to a URL that is flagged as a malicious redirector. The document body text, though partially garbled, includes the malicious URL and references to other PDF documents, suggesting a link farm designed to lure users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/wix?keyword=spearman+correlaci%25C3%25B3n+y+outliers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_49de9b72dd4b4994967c082c2c7f984e.pdf
- https://static.usrfiles.com/ugd/d7ba0f_c321eb9e55a74b059989d3672f3fc7df.pdf
- https://static.usrfiles.com/ugd/43d598_477d5b93df0e4de392f3203ea2e1ebca.pdf
- https://static.usrfiles.com/ugd/822ecd_aac2c410f4594c8dac76e5ab615316ea.pdf
- https://static.usrfiles.com/ugd/b8c837_d2f364a5180b4aecae29aac87ddfbe16.pdf
- https://static.usrfiles.com/ugd/856cea_27acae7293df422f95c77977ba192b51.pdf
- https://static.usrfiles.com/ugd/5ed537_5c0427189d414d3a962675cc9669c507.pdf
- https://static.usrfiles.com/ugd/9374a7_22056f114e184097a58132316e2ea7fa.pdf
- https://static.usrfiles.com/ugd/e2f7e1_28e5cb787c3d4c48b758d58cc7e066b2.pdf
- https://static.usrfiles.com/ugd/289c5e_47bc3997f4fc4e1b96520cd8053848f7.pdf
- https://static.usrfiles.com/ugd/b8c837_fd44c88ae4f14a7290df5eebe60b285e.pdf
- https://static.usrfiles.com/ugd/b8c837_7339051676e34dbe9b5a7647ef9d821e.pdf
- https://static.usrfiles.com/ugd/e8506d_93cdb758a52249efa25280456d13fe1e.pdf
- https://static.usrfiles.com/ugd/b8c837_78f6a02b902c4e08acc28e8695087f1e.pdf
- https://static.usrfiles.com/ugd/b8c837_7295b7dca1ec4c1ea5e646ec88bd6e5a.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000065d7.bin9849b26d04cda1bcd00ace7a11c61f84233e60135e336a693e7505a57527a76e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65D7 | 5420 bytes |
font_01_sfnt_off000077f0.bin635b1c46b01563e0c32f620253dd696b5a2c7a10f0dea0a02746f854c6e75a37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77F0 | 10176 bytes |
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